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The asymptotic stability of two-dimensional stationary flows in a non-symmetric exterior domain is considered. Under the smallness condition on initial perturbations, we show the stability of the small stationary flow whose leading profile…

偏微分方程分析 · 数学 2019-10-14 Mitsuo Higaki

We study some properties of mean curvature flow solitons in general Riemannian manifolds and in warped products, with emphasis on constant curvature and Schwarzschild type spaces. We focus on splitting and rigidity results under various…

微分几何 · 数学 2024-01-17 Giulio Colombo , Luciano Mari , Marco Rigoli

We study constant mean curvature Lorentzian hypersurfaces of $\mathbb{R}^{1,d+1}$ from the point of view of its Cauchy problem. We completely classify the spherically symmetric solutions, which include among them a manifold isometric to the…

微分几何 · 数学 2014-10-14 Willie Wai-Yeung Wong

The symmetry group of the mean curvature flow in general ambient Riemannian manifolds is determined, based on which we define generalized solitons to the mean curvature flow. We also provide examples of homothetic solitons in non-Euclidean…

微分几何 · 数学 2023-08-07 Xu Han , Zhonghua Hou

The skew mean curvature flow is an evolution equation for $d$ dimensional manifolds embedded in $\mathbb{R}^{d+2}$ (or more generally, in a Riemannian manifold). It can be viewed as a Schr\"odinger analogue of the mean curvature flow, or…

偏微分方程分析 · 数学 2022-02-02 Jiaxi Huang , Daniel Tataru

The (asymptotic) behaviour of the second moment of solutions to stochastic differential equations is treated in mean-square stability analysis. This property is discussed for approximations of infinite-dimensional stochastic differential…

数值分析 · 数学 2023-12-06 Annika Lang , Andreas Petersson , Andreas Thalhammer

In this paper, we prove that the mean curvature blows up at the same rate as the second fundamental form at the first singular time $T$ of any compact, Type I mean curvature flow. For the mean curvature flow of surfaces, we obtain similar…

微分几何 · 数学 2012-02-13 Nam Q. Le , Natasa Sesum

In this paper, we study scalar curvature of $n$-dimensional self-shrinkers in the Euclidean space $\mathbb R^{n+1}$. If the scalar curvature of an $n$-dimensional self-shrinker is a positive constant, then we prove that the scalar curvature…

微分几何 · 数学 2026-05-19 Qing-Ming Cheng , Fengjiang Li , Guoxin Wei

A submanifold in space forms is isoparametric if the normal bundle is flat and principal curvatures along any parallel normal fields are constant. We study the mean curvature flow with initial data an isoparametric submanifold in Euclidean…

微分几何 · 数学 2019-12-02 Xiaobo Liu , Chuu-Lian Terng

Self-shrinkers are important geometric objects in the study of mean curvature flows, while the Bernstein Theorem is one of the most profound results in minimal surface theory. We prove a Bernstein type result for graphical self-shrinker…

微分几何 · 数学 2017-04-06 Hengyu Zhou

In 1994 Velazquez constructed a smooth \(O(4)\times O(4)\) invariant Mean Curvature Flow that forms a type-II singularity at the origin in space-time. Stolarski very recently showed that the mean curvature on this solution is uniformly…

偏微分方程分析 · 数学 2021-08-20 Sigurd Angenent , Panagiota Daskalopoulos , Natasa Sesum

We consider the evolution of a closed convex hypersurface under a volume preserving curvature flow. The speed is given by a power of the m-th mean curvature plus a volume preserving term, including the case of powers of the mean curvature…

微分几何 · 数学 2009-02-13 Esther Cabezas-Rivas , Carlo Sinestrari

The square-gradient density-functional model with triple-parabolic free energy, that was used previously to study the homogeneous bubble nucleation [J. Chem. Phys. 129, 104508 (2008)], is used to study the stability of the critical bubble…

软凝聚态物质 · 物理学 2015-05-19 Masao Iwamatsu , Yutaka Okabe

The linear stability of a shear-thinning, viscoelastic fluid undergoing any of the canonical rectilinear shear flows, viz., plane Couette flow and pressure-driven flow through a channel or a tube is analyzed in the creeping-flow limit using…

流体动力学 · 物理学 2024-08-05 Ramkarn Patne , Shraddha Mandloi , V. Shankar , Ganesh Subramanian

In the vicinity of their glass transition, dense colloidal suspensions acquire elastic properties over experimental timescales. We investigate the possibility of a visco-elastic flow instability in curved geometry for such materials. To…

软凝聚态物质 · 物理学 2015-08-21 Alexandre Nicolas , Matthias Fuchs

Surfaces that evolve by mean curvature flow develop singularities. These singularities can be modeled by self-shrinkers, surfaces that shrink by dilations under the flow. Singularities modeled on classical self-shrinkers, namely spheres and…

微分几何 · 数学 2020-07-14 Yakov Berchenko-Kogan

By carrying out a point-wise estimate for the second fundamental form, we prove a rigidity theorem of complete noncompact ancient solutions to the mean curvature flow in codimension one. Moreover, we derive an optimal growth condition.

微分几何 · 数学 2024-12-13 Qun Chen , Hongbing Qiu

The two-dimensional cubic nonlinear Schrodinger equation admits a large family of one-dimensional bounded traveling-wave solutions. All such solutions may be written in terms of an amplitude and a phase. Solutions with piecewise constant…

斑图形成与孤子 · 物理学 2015-06-26 Roger J. Thelwell , John D. Carter , Bernard Deconinck

In this paper we consider the stabilization of non-fundamental unstable stationary solutions of the cubic nonlinear Schrodinger equation. Specifically we study the stabilization of radially symmetric solutions with nodes and asymmetric…

斑图形成与孤子 · 物理学 2009-11-13 Adrian Alexandrescu , Gaspar D. Montesinos , Victor M. Perez-Garcia

These lecture notes aim to present some of the ideas behind the recent (conditional) existence and (weak-strong) uniqueness theory for mean curvature flow. Focusing on the simplest case of the evolution of a single closed hypersurface…

偏微分方程分析 · 数学 2021-08-20 Tim Laux
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